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* Copyright© 2000 - 2025 SuperMap Software Co.Ltd. All rights reserved.
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<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title data-i18n="resources.title_routeLocatorPoint"></title>
    <script type="text/javascript" include="bootstrap-css" src="../js/include-web.js"></script>
    <script type="text/javascript" src="../../dist/ol/include-ol.js"></script>
    <style>
        .ol-popup {
            position: absolute;
            background-color: white;
            -webkit-filter: drop-shadow(0 1px 4px rgba(0, 0, 0, 0.2));
            filter: drop-shadow(0 1px 4px rgba(0, 0, 0, 0.2));
            padding: 15px;
            border-radius: 10px;
            border: 1px solid #cccccc;
            bottom: 12px;
            left: -50px;
            min-width: 200px;
        }

        .ol-popup:after, .ol-popup:before {
            top: 100%;
            border: solid transparent;
            content: " ";
            height: 0;
            width: 0;
            position: absolute;
            pointer-events: none;
        }

        .ol-popup:after {
            border-top-color: white;
            border-width: 10px;
            left: 48px;
            margin-left: -10px;
        }

        .ol-popup:before {
            border-top-color: #cccccc;
            border-width: 11px;
            left: 48px;
            margin-left: -11px;
        }

    </style>
</head>
<body style=" margin: 0;overflow: hidden;background: #fff;width: 100%;height:100%; position: absolute;top: 0;">
<div id="map" style="width: 100%;height:100%"></div>
<div id="popup" class="ol-popup">
    <div id="popup-content"></div>
</div>
<script type="text/javascript">
    var map, options, queryBySQLParams, queryBySQLService, resultLayer,
        routeLocatorParameters_point, routeLocatorService,
        baseUrl = (window.isLocal ? window.server : "https://iserver.supermap.io")+"/iserver/services/map-changchun/rest/maps/长春市区图",
        serviceUrl = (window.isLocal ? window.server : "https://iserver.supermap.io")+"/iserver/services/spatialanalyst-changchun/restjsr/spatialanalyst";
    var extent = [48.4, -7668.25, 8958.85, -55.58];
    var projection = new ol.proj.Projection({
        code:'',
        extent: extent,
        units: 'm'
    });
    var container = document.getElementById('popup');
    var content = document.getElementById('popup-content');
    var overlay = new ol.Overlay(({
        element: container,
        autoPan: true,
        autoPanAnimation: {
            duration: 250
        }
    }));
    var mapService = new ol.supermap.MapService(baseUrl);
    mapService.getMapInfo(function (serviceResult) {
        var mapJSONObj = serviceResult.result;
        map = new ol.Map({
            target: 'map',
            // ol v7版本用法为ol.control.defaults.defaults； v6版本以下用法为ol.control.defaults
            controls: ol.control.defaults.defaults({attributionOptions: {collapsed: false}})
                .extend([new ol.supermap.control.Logo({ link: "https://iclient.supermap.io" })]),
            view: new ol.View({
                center: [4503.62, -3861.91],
                zoom: 2,
                projection: projection,
                multiWorld: true
            }),
            overlays: [overlay]
        });
        options = ol.source.TileSuperMapRest.optionsFromMapJSON(baseUrl, mapJSONObj);
        var layer = new ol.layer.Tile({
            source: new ol.source.TileSuperMapRest(options)
        });
        map.addLayer(layer);
        routeLocatorProcess_point();
    });

    function routeLocatorProcess_point() {
        //通过SQL查询的方法建立路由,并添加到地图上
        queryBySQLService = new ol.supermap.QueryService(baseUrl);
        queryBySQLParams = new ol.supermap.QueryBySQLParameters({
            queryParams: [
                new ol.supermap.FilterParameter({
                    name: "RouteDT_road@Changchun",
                    attributeFilter: "RouteID=1690"
                })
            ]
        });
        queryBySQLService.queryBySQL(queryBySQLParams, function (SQLQueryServiceResult) {
            var queryBySQLResult = SQLQueryServiceResult.result.recordsets[0].features;
            var pathSource = new ol.source.Vector({
                features: (new ol.format.GeoJSON()).readFeatures(queryBySQLResult)
            });
            pathLayer = new ol.layer.Vector({
                source: pathSource,
                style: new ol.style.Style({
                    stroke: new ol.style.Stroke({
                        color: 'rgba(100, 100, 225, 10)',
                        width: 3
                    })
                })
            });
            map.addLayer(pathLayer);

            //将形成路由的点提出来，为了构造下面点定里程服务sourceRoute
            var pointsList = [];
            var routeObj = queryBySQLResult.features[0].geometry.coordinates[0];
            for (var i = 0; i < routeObj.length; i++) {
                pointsList.push([routeObj[i][0], routeObj[i][1], routeObj[i][2]])
            }
            var routeLine = new ol.geom.LineString([pointsList]);

            //里程定点服务
            routeLocatorService = new ol.supermap.SpatialAnalystService(serviceUrl);
            routeLocatorParameters_point = new ol.supermap.RouteLocatorParameters({
                "sourceRoute": routeLine,
                "type": "POINT",
                "measure": 800,
                "offset": 0,
                "isIgnoreGap": true
            });
            routeLocatorService.routeLocate(routeLocatorParameters_point).then(function (routeLocateServiceResult) {
                var vectorSource = new ol.source.Vector({
                    features: [(new ol.format.GeoJSON()).readFeature(routeLocateServiceResult.result.resultGeometry)],
                    wrapX: false
                });
                resultLayer = new ol.layer.Vector({
                    source: vectorSource,
                });
                map.addLayer(resultLayer);
                var innerHTML = resources.msg_queryMileagePoint1 + routeLocatorParameters_point.measure + resources.msg_queryMileagePoint2;
                content.innerHTML = innerHTML;
                overlay.setPosition([routeLocateServiceResult.result.resultGeometry.geometry.coordinates[0], routeLocateServiceResult.result.resultGeometry.geometry.coordinates[1]]);
            });
        });
    }
</script>
</body>
</html>